Plant sprinklers and automatic plant sprinklers are a good helper for gardening and do not need to take care of the plants every day; Plant watering devices are very suitable for scientific planting, because different plants have different absorption capacity, automatic watering tips can prevent overwatering and make plants healthier. Unlike other versions, the newly improved valve can effectively control the water flow. You can stop traffic for 1 to 15 days or more, depending on how long you need it. The improved valve flow control is more precise and won't kill your plants because the water flows too fast or too slowly. The new and improved design can be used for most bottle sizes (0.8 to 1.2 inches). Don't waste time looking for the right bottle, most bottles work with an automatic sprinkler system. The automatic planting watering technique does not require any cumbersome adjustment, just drill a hole in the bottom of the bottle and tighten the drip nozzle device, then drive it into the ground without nails and harmlessly. Irrigation plastic bottles are suitable for your vegetables, indoor and outdoor gardens, hanging plants, small trees, shrubs, daily water plants, potted plants, houseplants, herbs, garden plants, hanging baskets, sinks. Delivery quantity: 6/12 pieces (random color)